/* ==========================================================
   Stratega Business Consulting — estilos
   Paleta tomada del brochure: azul noche, oro, papel
   ========================================================== */
:root {
  --noche: #1B263B;
  --noche-profundo: #131C2C;
  --oro: #C9974A;
  --bronce: #9C6A2E;
  --papel: #F5F3EE;
  --piedra: #EAE6DD;
  --tinta: #1C2331;
  --gris: #5A6170;
  --linea: #D6D1C6;

  --serif: "Newsreader", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;

  --ancho: 1160px;
  --radio: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--papel);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 4vw, 2.9rem); }
p { margin: 0 0 1em; }

:focus-visible { outline: 2px solid var(--oro); outline-offset: 3px; }

.contenedor { width: min(var(--ancho), 100% - 3rem); margin-inline: auto; }
.seccion { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.dos-col { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.5rem; border-radius: var(--radio);
  font: 600 .95rem/1 var(--sans); text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent; transition: background .2s, color .2s, border-color .2s;
}
.btn-oro { background: var(--oro); color: var(--noche-profundo); }
.btn-oro:hover { background: #D8A95E; }
.btn-linea { border-color: rgba(245,243,238,.45); color: var(--papel); }
.btn-linea:hover { border-color: var(--papel); }
.btn-linea-oscura { border-color: var(--noche); color: var(--noche); background: transparent; }
.btn-linea-oscura:hover { background: var(--noche); color: var(--papel); }

/* ---------- Cabecera ---------- */
.cabecera {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1.5rem, 4vw, 3rem);
  color: var(--papel);
  transition: background .3s, box-shadow .3s, padding .3s;
}
.cabecera.solida { background: rgba(19,28,44,.96); box-shadow: 0 1px 0 rgba(201,151,74,.25); padding-block: .7rem; }
.marca { display: flex; align-items: flex-end; gap: .6rem; text-decoration: none; }
.marca-barras { display: flex; align-items: flex-end; gap: 3px; height: 22px; }
.marca-barras i { display: block; width: 6px; background: var(--oro); }
.marca-barras i:nth-child(1) { height: 9px; background: var(--bronce); }
.marca-barras i:nth-child(2) { height: 15px; }
.marca-barras i:nth-child(3) { height: 22px; }
.marca-barras i:nth-child(4) { height: 11px; background: var(--bronce); margin-left: -3px; }
.marca-texto { font: 600 1.45rem/1 var(--serif); letter-spacing: .04em; }
.menu { display: flex; gap: 2rem; align-items: center; }
.menu a { text-decoration: none; font-size: .95rem; opacity: .85; }
.menu a:hover { opacity: 1; }
.menu .menu-cta { opacity: 1; color: var(--oro); border-bottom: 1px solid var(--oro); padding-bottom: 2px; }
.menu-btn { display: none; background: none; border: 1px solid rgba(245,243,238,.4); color: var(--papel); padding: .45rem .9rem; border-radius: var(--radio); font: 500 .9rem var(--sans); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  display: grid; grid-template-rows: 1fr auto;
  background: var(--noche); color: var(--papel);
  padding: 6.5rem clamp(1.5rem, 6vw, 5rem) 0;
}
.hero-grafico {
  position: absolute; right: clamp(-2rem, 4vw, 6rem); bottom: 0;
  display: flex; align-items: flex-end; gap: clamp(10px, 1.6vw, 22px);
  height: 78%; pointer-events: none;
}
.barra { display: block; width: clamp(48px, 7vw, 104px); transform-origin: bottom; transform: scaleY(0); animation: crecer 1.1s cubic-bezier(.2,.8,.2,1) forwards; }
.b1 { height: 38%; background: var(--bronce); opacity: .55; animation-delay: .1s; }
.b2 { height: 64%; background: var(--oro); opacity: .6; animation-delay: .25s; }
.b3 { height: 100%; background: var(--oro); opacity: .75; animation-delay: .4s; }
.b4 { height: 46%; background: var(--bronce); opacity: .65; margin-left: calc(clamp(10px, 1.6vw, 22px) * -1 - 18px); animation-delay: .55s; }
@keyframes crecer { to { transform: scaleY(1); } }

.hero-texto { position: relative; align-self: center; max-width: 54rem; }
.hero-pre { color: var(--oro); font-size: 1rem; margin-bottom: 1.2rem; }
.hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.5rem); font-weight: 400; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.hero-sub { font-size: 1.15rem; color: rgba(245,243,238,.78); max-width: 36rem; margin-bottom: 2.2rem; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: .9rem; }
.hero-datos {
  position: relative; margin: 2.5rem 0 0; padding: 1.4rem 0 1.8rem;
  display: flex; gap: clamp(2rem, 6vw, 5rem); flex-wrap: wrap;
  border-top: 1px solid rgba(201,151,74,.35);
}
.hero-datos div { display: flex; align-items: baseline; gap: .7rem; }
.hero-datos dt { font: 400 2.4rem/1 var(--serif); color: var(--oro); }
.hero-datos dd { margin: 0; font-size: .92rem; color: rgba(245,243,238,.7); max-width: 10rem; line-height: 1.35; }

/* ---------- Nosotros ---------- */
.prosa { max-width: 38rem; color: var(--gris); }
.prosa p:first-child { font: 400 1.35rem/1.5 var(--serif); color: var(--tinta); }
.valores { list-style: none; padding: 0; margin: 2rem 0 0; border-top: 1px solid var(--linea); }
.valores li { padding: 1rem 0; border-bottom: 1px solid var(--linea); }
.valores strong { color: var(--tinta); font-weight: 600; }

/* ---------- Servicios ---------- */
.servicios { background: var(--piedra); }
.servicios h2 { margin-bottom: 2.5rem; }
.pestanas { display: flex; gap: .4rem; flex-wrap: wrap; border-bottom: 1px solid var(--linea); margin-bottom: 2.5rem; }
.pestanas button {
  background: none; border: 0; cursor: pointer;
  font: 500 1rem var(--sans); color: var(--gris);
  padding: .9rem 1.1rem; margin-bottom: -1px;
  border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.pestanas button:hover { color: var(--tinta); }
.pestanas button[aria-selected="true"] { color: var(--noche); border-bottom-color: var(--oro); }
.panel-intro { font: 400 1.3rem/1.5 var(--serif); max-width: 42rem; margin-bottom: 2.5rem; }
.panel:not([hidden]) { animation: aparecer .35s ease; }
@keyframes aparecer { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.lista-servicios { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 3rem; }
.lista-servicios article { padding: 1.4rem 0; border-top: 1px solid var(--linea); }
.lista-servicios h3 { font: 600 1.05rem/1.3 var(--sans); margin-bottom: .45rem; }
.lista-servicios h3 span { display: block; font: 400 1.1rem/1.3 var(--serif); font-style: italic; color: var(--bronce); margin-top: .15rem; }
.lista-servicios p { font-size: .95rem; color: var(--gris); margin: 0; }

/* ---------- Clientes (elemento protagonista) ---------- */
.clientes { background: var(--noche-profundo); color: var(--papel); overflow: hidden; }
.clientes-cabeza { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-bottom: 2rem; }
.clientes h2 { max-width: 30rem; }
.contador { font: 400 1.1rem var(--serif); color: var(--oro); margin: 0; }
.contador span { font-size: 2.6rem; margin-right: .3rem; }

.filtros { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 3rem; }
.filtros button {
  background: transparent; color: rgba(245,243,238,.75);
  border: 1px solid rgba(245,243,238,.2); border-radius: 999px;
  padding: .5rem 1rem; font: 500 .9rem var(--sans); cursor: pointer;
  transition: all .2s;
}
.filtros button:hover { border-color: var(--oro); color: var(--papel); }
.filtros button[aria-pressed="true"] { background: var(--oro); border-color: var(--oro); color: var(--noche-profundo); }

.cinta { overflow: hidden; padding: .6rem 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.cinta-pista { display: flex; width: max-content; animation: desplazar 60s linear infinite; }
.cinta-inversa .cinta-pista { animation-direction: reverse; animation-duration: 70s; }
.cinta:hover .cinta-pista { animation-play-state: paused; }
.cinta-pista span {
  font: 400 clamp(2rem, 5vw, 3.6rem)/1.15 var(--serif); white-space: nowrap;
  padding: 0 1.4rem; color: rgba(245,243,238,.9);
}
.cinta-pista span::after { content: ""; display: inline-block; width: .32em; height: .32em; background: var(--oro); margin-left: 2.8rem; vertical-align: middle; transform: rotate(45deg); }
.cinta-inversa .cinta-pista span { color: transparent; -webkit-text-stroke: 1px rgba(201,151,74,.7); }
@keyframes desplazar { to { transform: translateX(-50%); } }

.muro { list-style: none; padding: 0; margin: 3.5rem 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); border-top: 1px solid rgba(245,243,238,.15); }
.muro li {
  padding: 1.3rem 1rem 1.3rem 0; border-bottom: 1px solid rgba(245,243,238,.15);
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  transition: opacity .3s, transform .3s;
}
.muro li.entrando { opacity: 0; transform: translateY(8px); }
.muro .nombre { font: 500 1.25rem/1.25 var(--serif); }
.muro .sector { font-size: .8rem; color: rgba(245,243,238,.55); white-space: nowrap; }
.muro .linea-iso { color: var(--oro); }
.leyenda { margin: 1.2rem 0 0; font-size: .85rem; color: rgba(245,243,238,.55); }
.leyenda b { color: var(--oro); font-weight: 500; }

/* ---------- Socios ---------- */
.socios h2 { margin-bottom: 3rem; }
.socios-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); }
.socio { border-top: 2px solid var(--noche); padding-top: 1.8rem; }
.socio-cabeza { display: flex; gap: 1.1rem; align-items: center; margin-bottom: 1.4rem; }
.inicial { flex: none; width: 64px; height: 64px; border-radius: 50%; background: var(--noche); color: var(--oro); display: grid; place-items: center; font: 500 1.4rem var(--serif); }
.socio h3 { font-size: 1.75rem; }
.socio-cabeza p { margin: .2rem 0 0; color: var(--bronce); font-size: .92rem; }
.socio > p { color: var(--gris); }
.socio .logros { color: var(--tinta); font-weight: 500; }
.socio blockquote { margin: 1.5rem 0 0; font: italic 400 1.3rem/1.4 var(--serif); color: var(--noche); }

/* ---------- Contacto ---------- */
.contacto { background: var(--piedra); }
.contacto-sub { color: var(--gris); margin: 1rem 0 2.2rem; font-size: 1.1rem; }
.canales { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.canal { display: flex; align-items: center; gap: 1rem; text-decoration: none; padding: .9rem 1rem; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--papel); transition: border-color .2s; }
a.canal:hover { border-color: var(--oro); }
.canal svg { width: 26px; height: 26px; color: var(--bronce); flex: none; }
.canal small { display: block; font-size: .78rem; color: var(--gris); }
.canal span { font-weight: 500; }

.formulario { background: var(--papel); padding: clamp(1.5rem, 3vw, 2.5rem); border-radius: var(--radio); border: 1px solid var(--linea); }
.campo { margin-bottom: 1.2rem; }
.campo label { display: block; font-size: .9rem; font-weight: 500; margin-bottom: .4rem; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: .75rem .9rem; font: 400 1rem var(--sans); color: var(--tinta);
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--oro); box-shadow: 0 0 0 3px rgba(201,151,74,.2); }
.campo [aria-invalid="true"] { border-color: #B3412E; }
.campo-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.opcional { font-weight: 400; color: var(--gris); }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formulario { position: relative; }
.form-estado { font-size: .95rem; padding: .8rem 1rem; border-radius: var(--radio); border-left: 3px solid; }
.form-estado.error { color: #8E2F1F; background: #F6E4DF; border-color: #B3412E; }
.form-estado.ok { color: #22502F; background: #E3EFE5; border-color: #3C7A4B; }
.btn[disabled] { opacity: .6; cursor: wait; }
@media (max-width: 560px) { .campo-fila { grid-template-columns: 1fr; gap: 0; } }
.form-acciones { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; margin-top: .4rem; }
.envio-ok { color: #2E6B3E; font-weight: 600; opacity: 0; transition: opacity .3s; }
.envio-ok.visible { opacity: 1; }

/* ---------- Pie y WhatsApp flotante ---------- */
.pie { background: var(--noche-profundo); color: rgba(245,243,238,.6); padding: 1.6rem 0; font-size: .88rem; }
.pie-fila { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.wa-flotante {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(19,28,44,.3); transition: transform .2s;
}
.wa-flotante:hover { transform: scale(1.07); }
.wa-flotante svg { width: 30px; height: 30px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .dos-col, .socios-grid { grid-template-columns: 1fr; }
  .lista-servicios { grid-template-columns: 1fr 1fr; }
  .hero-grafico { opacity: .35; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .menu {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--noche-profundo); padding: .5rem 1.5rem 1.2rem;
    display: none;
  }
  .menu.abierto { display: flex; }
  .menu a { padding: .8rem 0; width: 100%; border-bottom: 1px solid rgba(245,243,238,.1); }
  .menu .menu-cta { border-bottom: 1px solid rgba(245,243,238,.1); }
  .lista-servicios { grid-template-columns: 1fr; }
  .pestanas { flex-wrap: nowrap; overflow-x: auto; }
  .pestanas button { white-space: nowrap; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .barra { animation: none; transform: none; }
  .cinta-pista { animation: none; }
  .panel:not([hidden]) { animation: none; }
  .muro li { transition: none; }
}